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42253757 = 713464327
BaseRepresentation
bin1010000100101…
…1110110111101
32221111201020222
42201023312331
541304110012
64105351125
71022102540
oct241136675
987451228
1042253757
112193a967
12121984a5
1389a5630
14587c857
153a99972
hex284bdbd

42253757 has 8 divisors (see below), whose sum is σ = 52004736. Its totient is φ = 33431472.

The previous prime is 42253753. The next prime is 42253759. The reversal of 42253757 is 75735224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42253757 - 22 = 42253753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42253753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232073 + ... + 232254.

It is an arithmetic number, because the mean of its divisors is an integer number (6500592).

Almost surely, 242253757 is an apocalyptic number.

It is an amenable number.

42253757 is a deficient number, since it is larger than the sum of its proper divisors (9750979).

42253757 is a wasteful number, since it uses less digits than its factorization.

42253757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464347.

The product of its digits is 58800, while the sum is 35.

The square root of 42253757 is about 6500.2889935756. The cubic root of 42253757 is about 348.3013117903.

The spelling of 42253757 in words is "forty-two million, two hundred fifty-three thousand, seven hundred fifty-seven".

Divisors: 1 7 13 91 464327 3250289 6036251 42253757